68468666 has 16 divisors (see below), whose sum is σ = 123552960. Its totient is φ = 27799200.

The previous prime is 68468651. The next prime is 68468669. The reversal of 68468666 is 66686486.

It is not an unprimeable number, because it can be changed into a prime (68468669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128435 + ... + 128966.

It is an arithmetic number, because the mean of its divisors is an integer number (7722060).

Almost surely, 2^68468666 is an apocalyptic number.

68468666 is a deficient number, since it is larger than the sum of its proper divisors (55084294).

68468666 is a wasteful number, since it uses less digits than its factorization.

68468666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257429.

The product of its digits is 1990656, while the sum is 50.

The square root of 68468666 is about 8274.5795059326. The cubic root of 68468666 is about 409.1010763594.

The spelling of 68468666 in words is "sixty-eight million, four hundred sixty-eight thousand, six hundred sixty-six".